Note 123 — Front matter (continued 3)
Reading edition
The recognition of this relationship must not be regarded as an attempt unduly to narrow down the causation of changes in the birth-rate. The great complexity of the causes influencing the birth-rate is now fairly well recognized, and has, for instance, been pointed out by Goldscheid, Höherentwicklung und Menschenökonomie, Vol. I, 1911.